Resolution criteria on PolyGram: This market will resolve to "Up" if the Close price for Coinbase Global, Inc. (COIN) on May 8, 2026 is higher than the Close price for Coinbase Global, Inc. (COIN) on the most recent prior trading day. This market will resolve to "Down" if the Close price for Coinbase Global, Inc. (COIN) on May 8, 2026 is lower than the Close price for Coinbase Global, Inc. (COIN) on the most recent prior trading day. E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Coinbase (COIN) Up or Down on May 8? | 100% YES | 0% NO |
Coinbase Global's stock price on 8 May 2026 will be compared against its closing price on the most recent prior trading day to determine whether the equity closed higher or lower. The current order book on Polymarket is pricing this binary outcome at 100% implied probability for "Up," reflecting either extreme confidence in upward movement or minimal liquidity at the current price level, which typically occurs when one side of a market has been heavily backed and counterparties have withdrawn.
Single-day directional moves in large-cap equities rarely exhibit predictability beyond 50% baseline probability when examined across historical datasets. Coinbase, as a cryptocurrency exchange operator, experiences heightened volatility relative to broader market indices, particularly around regulatory announcements, Bitcoin price movements, or quarterly earnings releases. The 100% probability reading suggests either that a significant catalyst is expected to be announced before market close on 8 May 2026, or that the market has become illiquid with insufficient opposing orders to balance the book.
Traders should monitor Coinbase's earnings calendar, regulatory developments from the SEC or CFTC, and Bitcoin's price action in the days preceding 8 May, as these factors historically drive single-day moves in COIN. Additionally, broader equity market conditions and any cryptocurrency market-wide events could influence intraday momentum. The settlement window closes at 20:00 UTC on the resolution date, allowing for standard US market close data to determine the outcome.
Coinbase, Inc. v. Suski, 602 U.S. 143 (2024), was a United States Supreme Court case in which the Court held that where one contract between parties sends disputes to arbitration and another contract sends disputes to courts, a court must decide which contract governs.
Coinbase, Inc. v. Bielski, 599 U.S. 736 (2023), was a United States Supreme Court case in which the Court held that a federal district court must stay its proceedings while an interlocutory appeal on the question of arbitrability is ongoing.
This market settles from the official outcome published at https://pythdata.app/explore/Equity.US.COIN%2FUSD. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Coinbase (COIN) Up or Down on May 8?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$18K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for coin contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
As of today, traders on Polymarket price this outcome at 100%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://pythdata.app/explore/Equity.US.COIN%2FUSD. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 8 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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